| About |
|---|
| Zythane 4090A is a polyester--based TPU specifically formulated for injection molding applications. It exhibits excellent abrasion resistance and toughness and has good hydrolytic stability, oil, fuel and solvent resistance. It is supplied uncolored in pellet form. Typical Application: Zythane 4090A applications include among others shoe soles, ski and skate boot shells, other sporting goods, caster wheels, animal tags, good overmolded adhesion to certain EP (ex: PC, ABS, PMMA), couplings, gaskets and seals, tool handles, industrial parts, mobile phone cases, armrests, golf disks, mining screens.&& |
| Product Description | |
|---|---|
| Generic | TPU-酯 |
| Material Status | Commercial: Active |
| Features | Good flexibility,Hydrolysis stability,Good wear resistance,Grease resistance,Solvent resistance,Fuel resistance,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.23 | g/cm³ | ASTM D792 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shaw’s A | 90 | ASTM D2240 | |
| Shaw’s D | 41 | ASTM D2240 | |
| Taber abraser | 23.0 | mg | ASTM D1044 |
| Abrasion（DIN） | 22 | mm³ | DIN 53516 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 43.0 | MPa | ASTM D412 |
| 300% strain | 23.0 | MPa | ASTM D412 |
| 100% strain | 11.0 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 560 | % | ASTM D412 |
| tear strength | 127 | kN/m | ASTM D624 |
| Compression deformation | ASTM D395B | ||
| 24℃，22 hr | 23 | % | ASTM D395B |
| 70℃，72 hr | 38 | % | ASTM D395B |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -31.1 | ℃ | DSC |
| Vicat Softening Temp | 132 | ℃ | ASTM D1525 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.00 mm | HB | UL 94 | |
| 1.50 mm | HB | UL 94 | |
| 3.00 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 85 | °C | |
| Drying time | 4.0 | hr | |
| Barrel rear temperature | 185 | °C | |
| Barrel middle temperature | 200 | °C | |
| Barrel front temperature | 205 | °C | |
| Nozzle temperature | 205 to 215 | °C | |
| Processing (melt) temperature | 205 to 215 | °C | |
| Mold temperature | 25 to 60 | °C | |
| Back pressure | 0.500 to 1.00 | MPa | |
| Screw speed | 60 to 200 | rpm | |
| Clamping force | 4.1 to 6.9 | kN/cm² | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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